$(function () {
    function sck(k, v, t) {
        let d = new Date();
        d.setTime(d.getTime() + (t));
        let expires = "expires="+ d.toUTCString();
        document.cookie = k + "=" + v + ";" + expires + ";path=/";
    }

    window.onbeforeunload=function(){
        logout();
    };

    if (gck("k")!==undefined){
        sck("k",gck("k"),30*60*1000);
        sck("u",gck("u"),30*60*1000);
    }

    function logout(){
        if (gck("u")!==undefined){
            $.ajax({
                url :　`logout?userId=${JSON.parse(Base64.decode(gck("k"))).id}`,
                type:`get`,
                dataType:"json"
            });
        }
        sck("k",gck("k"),5*1000);
        sck("u",gck("u"),5*1000);
        setTimeout(function () {
            window.location.href="/index";
        },1000);
    }

    let user = gck("u");
    if(user !== undefined){
        $("#user-group").html(`第${JSON.parse(user).group.replace("1","一").replace("2","二").replace("3","三").replace("4","四").replace("5","五")}组 `);
        $("#user-num").html(` ${JSON.parse(user).num} `);
    }

    layui.use(['form', 'layedit', 'laydate'], function() {
        let layer = layui.layer;
        if ([gck("u"),gck("k")].some(i=>i===undefined)){
            layer.msg("未登录，即将进入登录页面");
            logout();
        }
        let t=setTimeout(function () {
            layer.msg("登录状态即将失效,请刷新或重新登陆!");
            let t=setInterval(function () {
                layer.msg("登录状态即将失效,请刷新或重新登陆!");
            },60*1000);
            setTimeout(function () {
                clearInterval(t);
                logout();
            },5*60*1000)
        },115*60*1000);

        $("html").on("click","#logout",function () {clearTimeout(t);
            logout();
        }).on("click","#user-return-home",function () {
            $("#my_target").attr("src","/welcome");
            setTimeout(function () {
                $("#user-return-home").parent().removeClass("layui-this");
            },500);
        }).on("click","#admin-return-home",function () {
            $("#my_target").attr("src","/administrator");
            setTimeout(function () {
                $("#user-return-home").parent().removeClass("layui-this");
            },500);
        });
    });

    function gck(k) {
        let name = k + "=";
        let decodedCookie = decodeURIComponent(document.cookie);
        let ca = decodedCookie.split(';');
        for(let i = 0; i <ca.length; i++) {
            let c = ca[i];
            while (c.charAt(0) === ' ') {
                c = c.substring(1);
            }
            if (c.indexOf(name) === 0) {
                return c.substring(name.length, c.length);
            }
        }
        return undefined;
    }

    var Base64 = {
        _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
        encode: function(e) {
            let t = "";
            let n, r, i, s, o, u, a;
            let f = 0;
            e = Base64._utf8_encode(e);
            while (f < e.length) {
                n = e.charCodeAt(f++);
                r = e.charCodeAt(f++);
                i = e.charCodeAt(f++);
                s = n >> 2;
                o = (n & 3) << 4 | r >> 4;
                u = (r & 15) << 2 | i >> 6;
                a = i & 63;
                if (isNaN(r)) {
                    u = a = 64
                } else if (isNaN(i)) {
                    a = 64
                }
                t = t + this._keyStr.charAt(s) + this._keyStr.charAt(o) + this._keyStr.charAt(u) + this._keyStr.charAt(a)
            }
            return t
        },
        decode: function(e) {
            let t = "";
            let n, r, i;
            let s, o, u, a;
            let f = 0;
            e=e.replace(/[^A-Za-z0-9+/=]/g,"");
            while (f < e.length) {
                s = this._keyStr.indexOf(e.charAt(f++));
                o = this._keyStr.indexOf(e.charAt(f++));
                u = this._keyStr.indexOf(e.charAt(f++));
                a = this._keyStr.indexOf(e.charAt(f++));
                n = s << 2 | o >> 4;
                r = (o & 15) << 4 | u >> 2;
                i = (u & 3) << 6 | a;
                t = t + String.fromCharCode(n);
                if (u !== 64) {
                    t = t + String.fromCharCode(r)
                }
                if (a !== 64) {
                    t = t + String.fromCharCode(i)
                }
            }
            t = Base64._utf8_decode(t);
            return t
        },
        _utf8_encode: function(e) {
            e = e.replace(/rn/g, "n");
            let t = "";
            for (let n = 0; n < e.length; n++) {
                let r = e.charCodeAt(n);
                if (r < 128) {
                    t += String.fromCharCode(r)
                } else if (r > 127 && r < 2048) {
                    t += String.fromCharCode(r >> 6 | 192);
                    t += String.fromCharCode(r & 63 | 128)
                } else {
                    t += String.fromCharCode(r >> 12 | 224);
                    t += String.fromCharCode(r >> 6 & 63 | 128);
                    t += String.fromCharCode(r & 63 | 128)
                }
            }
            return t
        },
        _utf8_decode: function(e) {
            let t = "";
            let n = 0;
            let r = c1 = c2 = 0;
            while (n < e.length) {
                r = e.charCodeAt(n);
                if (r < 128) {
                    t += String.fromCharCode(r);
                    n++
                } else if (r > 191 && r < 224) {
                    c2 = e.charCodeAt(n + 1);
                    t += String.fromCharCode((r & 31) << 6 | c2 & 63);
                    n += 2
                } else {
                    c2 = e.charCodeAt(n + 1);
                    c3 = e.charCodeAt(n + 2);
                    t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
                    n += 3
                }
            }
            return t;
        }
    };

});